#!/bin/sh

# Prints all batteries, their percentage remaining and an emoji corresponding
# to charge status (🔌 for plugged up, 🔋 for discharging on battery, etc.).

case $BLOCK_BUTTON in
	3) notify-send "🔋 Battery module" "🔋: discharging
🛑: not charging
♻: stagnant charge
🔌: charging
⚡: charged
❗: battery very low!
- Scroll to change adjust xbacklight." ;;
	4) xbacklight -inc 10 ;;
	5) xbacklight -dec 10 ;;
	6) "$TERMINAL" -e "$EDITOR" "$0" ;;
esac

# Check if battery directories are detected
[ ! -e /sys/class/power_supply/BAT?* ] && echo "No battery found" && exit 1

# Loop through all attached batteries and format the info
for battery in /sys/class/power_supply/BAT?*
do
	# Sets up the status and capacity
	status=$(cat "$battery/status")
	case "$status" in
		"Full") status="⚡" ;;
		"Discharging") status="🔋" ;;
		"Charging") status="🔌" ;;
		"Not charging") status="🛑" ;;
		"Unknown") status="♻️" ;;
	esac
	capacity=$(cat "$battery/capacity")
	# Will make a warn variable if discharging and low
	[ "$status" = "🔋" ] && [ "$capacity" -le 25 ] && warn="❗"
	# Prints the info
	printf "%s%s%d%%\n" "$status" "$warn" "$capacity"; unset warn
done && return 0
